Gerald Heitschmidt
(Jerry)
Quality & Safety Assessment Research
Specialist
Phone: (706) 546-3519
Fax: (706) 546-3633
950 COLLEGE STATION RD
RBRRC
ATHENS, GA 30605
Publications
(Clicking on the reprint icon
will take you to the publication reprint.)
|
 |
Food grade dye for assessment of biofilm removal from stainless steel by cleaning and sanitizing agents
-
(Peer Reviewed Journal)
|
Gamble, G.R., Lawrence, K.C., Park, B., Yoon, S.C., Heitschmidt, G.W. 2019. Food grade dye for assessment of biofilm removal from stainless steel by cleaning and sanitizing agents. Food Protection Trends. Volume 39, Issue 6: Pages 442–448.
|
 |
Hyperspectral image recovery using a color camera for detecting colonies of foodborne pathogens on agar plate
-
(Peer Reviewed Journal)
|
Yoon, S.C., Shin, T., Heitschmidt, G.W., Lawrence, K.C., Park, B., Gamble, G.R. 2019. Hyperspectral image recovery using a color camera for detecting colonies of foodborne pathogens on agar plate. Journal of Biosystems Engineering. https://doi.org/10.1007/s42853-019-00024-y.
|
 |
Utilization of visible/near-infrared hyperspectral images to classify aflatoxin B1 contaminated maize kernels
-
(Peer Reviewed Journal)
|
Kimuli, D., Wang, W., Lawrence, K.C., Yoon, S.C., Ni, X., Heitschmidt, G.W. 2018. Utilization of visible/near-infrared hyperspectral images to classify aflatoxin B1 contaminated maize kernels. Biosystems Engineering. 166:150-160.
|
 |
A SWIR hyperspectral imaging method for classifying Aflatoxin B1 contaminated maize kernels
-
(Proceedings)
|
Kimuli, D., Lawrence, K.C., Yoon, S.C., Wang, W., Heitschmidt, G.W., Zhao, X. 2017. A SWIR hyperspectral imaging method for classifying Aflatoxin B1 contaminated maize kernels. ASABE Annual International Meeting. Paper No. 1700764.
|
 |
Detection of aflatoxin B1 (AFB1) in individual maize kernels using short wave infrared (SWIR) hyperspectral imaging
-
(Peer Reviewed Journal)
|
Chu, X., Wang, W., Yoon, S.C., Ni, X., Heitschmidt, G.W. 2017. Detection of aflatoxin B1 (AFB1) in individual maize kernels using short wave infrared (SWIR) hyperspectral imaging. Biosystems Engineering. 157:13-23.
|
 |
Hyperspectral imaging using RGB color for foodborne pathogen detection
-
(Peer Reviewed Journal)
|
Yoon, S.C., Shin, T., Lawrence, K.C., Heitschmidt, G.W., Park, B., Gamble, G.R. 2015. Hyperspectral imaging using RGB color for foodborne pathogen detection. Journal of Electronic Imaging. 24(4):043008.
|
 |
Feasibility of detecting Aflatoxin B1 in single maize kernels using hyperspectral imaging
-
(Peer Reviewed Journal)
|
Wang, W., Ni, X., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W., Feldner, P.W. 2015. Feasibility of detecting Aflatoxin B1 in single maize kernels using hyperspectral imaging. Journal of Food Engineering. Volume 166, Pages 182–192 (2015).
|
 |
Hyperspectral imaging using a color camera and its application for pathogen detection
-
(Proceedings)
|
Yoon, S.C., Shin, T., Heitschmidt, G.W., Lawrence, K.C., Park, B., Gamble, G.R. 2015. Hyperspectral imaging using a color camera and its application for pathogen detection. Proceedings for Electronic Imaging Meeting. https://doi.org/10.1117/12.2083137.
|
 |
Near-infrared hyperspectral imaging for detecting Aflatoxin B1 of maize kernels
-
(Peer Reviewed Journal)
|
Wei, W., Lawrence, K.C., Ni, X., Yoon, S.C., Heitschmidt, G.W., Feldner, P.W. 2014. Near-infrared hyperspectral imaging for detecting Aflatoxin B1 of maize kernels. Food Control. Volume 51, Pages 347-355, May 2015.
|
 |
Feasibility of detecting aflatoxin B1 on inoculated maize kernels surface using Vis/NIR hyperspectral imaging
-
(Peer Reviewed Journal)
|
Wang, W., Heitschmidt, G.W., Windham, W.R., Feldner, P.W., Ni, X., Chu, X. 2015. Feasibility of detecting aflatoxin B1 on inoculated maize kernels surface using Vis/NIR hyperspectral imaging. Journal of Food Science. 80:M116-M122.
|
 |
Hyperspectral image reconstruction using RGB color for foodborne pathogen detection on agar plates
-
(Proceedings)
|
Yoon, S.C., Shin, T., Park, B., Lawrence, K.C., Heitschmidt, G.W. 2014. Hyperspectral image reconstruction using RGB color for foodborne pathogen detection on agar plates. Proceedings of SPIE. V. 9024, Image Processing: Machine Vision Applications VII, 902401 (March 7,);doi:10:1117/12.2041085.
|
 |
Differentiation of big-six non-O157 shiga-toxin producing escherichia coli (STEC) on spread plates of mixed cultures using hyperspectral imaging
-
(Peer Reviewed Journal)
|
Yoon, S.C., Windham, W.R., Ladely, S.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Narang, N., Cray Jr, W.C. 2013. Differentiation of big-six non-O157 shiga-toxin producing escherichia coli (STEC) on spread plates of mixed cultures using hyperspectral imaging. Journal of Food Measurement & Characterization. 7(2):47-59.
|
 |
Hyperspectral imaging for differentiating colonies of non-O157 shiga-toxin producing echerichia coli (STEC) serogroups on spread plates of pure cultures
-
(Peer Reviewed Journal)
|
Yoon, S.C., Windham, W.R., Ladely, S.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Narang, N., Cray Jr, W.C. 2013. Hyperspectral imaging for differentiating colonies of non-O157 shiga-toxin producing echerichia coli (STEC) serogroups on spread plates of pure cultures. Journal of Near Infrared Spectroscopy. 21(2):81-95.
|
 |
Dynamic and Static Shell Properties of White and Brown Shell Eggs Exposed to Modified-pressure Microcrack Detection Technology
-
(Peer Reviewed Journal)
|
Jones, D.R., Broussard, V., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2012. Dynamic and static shell properties of white and brown shell eggs exposed to modified-pressure microcrack detection technology. Poultry Science. 91:2658-2661.
|
 |
Hyperspectral imaging for detection of non-O157 shiga-toxin producing escherichia coli(STEC) serogroups on spread plates of mixed cultures
-
(Proceedings)
|
Yoon, S.C., Windham, W.R., Ladely, S.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Narang, N., Cray Jr, W.C. 2012. Hyperspectral imaging for detection of non-O157 shiga-toxin producing escherichia coli(STEC) serogroups on spread plates of mixed cultures. Proceedings of SPIE. 8369-09.
|
 |
The effect of regions of interest and spectral pre-processing on the detection of non-O157 shiga-toxin producing escherichia coli serogroups on agar media by hyperspectral imaging
-
(Peer Reviewed Journal)
|
Windham, W.R., Yoon, S.C., Ladley, S.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Narang, N., William, C.C. 2012. The effect of regions of interest and spectral pre-processing on the detection of non-O157 shiga-toxin producing escherichia coli serogroups on agar media by hyperspectral imaging. Near Infrared Spectroscopy Journal. 20(5):547-558.
|
 |
Motion compensated image processing and optimal parameters for egg crack detection using modified pressure
-
(Peer Reviewed Journal)
|
Yoon, S.C., Lawrence, K.C., Jones, D.R., Heitschmidt, G.W., Park, B. 2012. Motion compensated image processing and optimal parameters for egg crack detection using modified pressure. Sensing and Instrumentation for Food Quality and Safety. 5:172-184.
|
 |
Improved modified pressure imaging and software for egg micro-crack detection and egg quality grading
-
(Peer Reviewed Journal)
|
Yoon, S.C., Lawrence, K.C., Jones, D.R., Heitschmidt, G.W. 2012. Improved modified pressure imaging and software for egg micro-crack detection and egg quality grading. Applied Engineering in Agriculture. 28(2):283-293.
|
 |
Improved hairline crack detector and poor shell-quality eggs
-
(Peer Reviewed Journal)
|
Lawrence, K.C., Jones, D.R., Yoon, S.C., Heitschmidt, G.W., Anderson, K.E. 2011. Improved hairline crack detector and poor shell-quality eggs. Applied Engineering in Agriculture. 28:153-158.
|
 |
Rapid screening of huanglongbing-infected citrus leaves by near infrared reflectance spectroscopy
-
(Peer Reviewed Journal)
|
Windham, W.R., Poole, G.H., Park, B., Heitschmidt, G.W., Albano, J.P., Gottwald, T.R., Lawrence, K.C., Hawkins, S.A. 2011. Rapid screening of huanglongbing-infected citrus leaves by near infrared reflectance spectroscopy. Transactions of the ASABE. 54(6):2253-2258.
|
 |
Line-scan hyperspectral imaging system for real-time inspection of poultry carcasses with fecal material and ingesta
-
(Peer Reviewed Journal)
|
Yoon, S.C., Park, B., Lawrence, K.C., Windham, W.R., Heitschmidt, G.W. 2011. Line-scan hyperspectral imaging system for real-time inspection of poultry carcasses with fecal material and ingesta. Computers and Electronics in Agriculture. 79:159-168.
|
 |
Improved egg crack detection algorithm for modified pressure imaging system
-
(Proceedings)
|
Yoon, S.C., Lawrence, K.C., Jones, D.R., Heitschmidt, G.W., Park, B. 2011. Improved egg crack detection algorithm for modified pressure imaging system. SPIE. Vol. 8027:U1-7.
|
 |
Salmonella Contamination in Shell Eggs Exposed to Modified Pressure Imaging for Microcrack Detection
-
(Peer Reviewed Journal)
|
Jones, D.R., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2011. Salmonella contamination in shell eggs exposed to modified pressure imaging for microcrack detection. Poultry Science. 90:1616-1619.
|
 |
Real-time detection of feces on poultry carcasses by A line-scan hyperspectral image camera
-
(Proceedings)
|
Yoon, S.C., Park, B., Lawrence, K.C., Windham, W.R., Heitschmidt, G.W. 2011. Real-time detection of feces on poultry carcasses by A line-scan hyperspectral image camera. Near Infrared Spectroscopy International Conference Proceedings. p.1013-1015.
|
 |
Near-Infrared Spectroscopy for discrimination of huanglongbing-infected citrus leaves from uninfected leaves
-
(Proceedings)
|
Windham, W.R., Poole, G.H., Park, B., Heitschmidt, G.W., Gottwald, T.R., Lawrence, K.C. 2011. Near-Infrared Spectroscopy for discrimination of huanglongbing-infected citrus leaves from uninfected leaves. Proc. the 14th International Conference on NIR Spectroscopy: 235-239.
|
 |
Near-infrared spectroscopy for discrimination of Huanglongbing-infected citrus leaves from unifected leaves
-
(Abstract Only)
|
Windham, W.R., Poole, G.H., Park, B., Heitschmidt, G.W., Gottwald, T.R., Lawrence, K.C. 2010. Near-infrared spectroscopy for discrimination of Huanglongbing-infected citrus leaves from unifected leaves. American Society of Agricultural and Biological Engineers.
|
 |
Development of real-time line-scan hyperspectral imaging system for online agricultural and food product inspection
-
(Proceedings)
|
Yoon, S.C., Park, B., Lawrence, K.C., Windham, W.R., Heitschmidt, G.W. 2010. Development of real-time line-scan hyperspectral imaging system for online agricultural and food product inspection. Proceedings of SPIE. 7676(1).
|
 |
Line-scan hyperspectral imaging for real-time poultry fecal detection
-
(Proceedings)
|
Park, B., Yoon, S.C., Windham, W.R., Lawrence, K.C., Heitschmidt, G.W., Kim, M.S., Chao, K. 2010. Line-scan hyperspectral imaging for real-time poultry fecal detection. Proceedings of SPIE Defense, Security, and Sensing 2010, Orlando, FL, April 5-9, 2010; 7676-19.
|
 |
Implications of Negative Pressure Imaging for Microcrack Detection and Salmonella Contamination in Shell Eggs
-
(Abstract Only)
|
Jones, D.R., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2010. Implications of Negative Pressure Imaging for Microcrack Detection and Salmonella Contamination in Shell Eggs. European Poultry Conference Proceedings.
|
 |
Multispectral imaging system with interchangeable filter design
-
(Peer Reviewed Journal)
|
Kise, M., Park, B., Heitschmidt, G.W., Lawrence, K.C., Windham, W.R. 2010. Multispectral imaging system with interchangeable filter design. Computers and Electronics in Agriculture. 72(2):61-68.
|
 |
Modified Pressure Imaging for Egg Crack Detection and Resulting Egg Quality
-
(Peer Reviewed Journal)
|
Jones, D.R., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2010. Modified pressure imaging for egg crack detection and resulting egg quality. Poultry Science. 89:761-765.
|
 |
Visible/near-infrared spectroscopy for discrimination of HLB-infected citrus leaves from healthy leaves
-
(Abstract Only)
|
|
 |
Modified Pressure System for Imaging Egg Cracks
-
(Peer Reviewed Journal)
|
Lawrence, K.C., Yoon, S.C., Jones, D.R., Heitschmidt, G.W., Park, B., Windham, W.R. 2009. Modified pressure system for imaging egg cracks. Trans.ASABE. 52(3):983-990.
|
 |
The Effect of Negative-pressure Microcrack Imaging on Egg Quality during Storage
-
(Abstract Only)
|
Jones, D.R., Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W. 2009. The effect of negative-pressure microcrack imaging on egg quality during storage. Poultry Science.
|
 |
Modified Pressure System for Imaging Egg Cracks
-
(Proceedings)
|
Lawrence, K.C., Yoon, S.C., Jones, D.R., Heitschmidt, G.W., Park, B., Windham, W.R. 2008. Modified Pressure System for Imaging Egg Cracks. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE).p. 1-14.
|
 |
Imaging System with Modified-Pressure Chamber for Crack Detection in Shell-Eggs
-
(Peer Reviewed Journal)
|
Lawrence, K.C., Yoon, S.C., Heitschmidt, G.W., Jones, D.R., Park, B. 2008. Imaging system with modified-pressure chamber for crack detection in shell-eggs. Sensing and Instrumentation for Food Quality and Safety.2:116-122
|
 |
Effect of spectrally mixed pixels on detection of cecal contaminated broiler carcasses
-
(Peer Reviewed Journal)
|
Windham, W.R., Heitschmidt, G.W., Lawrence, K.C., Park, B., Smith, D.P. 2008. Effect of spectrally mixed pixels on detection of cecal contaminated broiler carcasses. International Journal of Poultry Science. 6(12):955-959.
|
 |
Evaluation of Hyperspectral Imaging and Predictive Modeling to Determine Fertility and Development of Broiler Hatching Eggs
-
(Proceedings)
|
Smith, D.P., Lawrence, K.C., Heitschmidt, G.W., Park, B., Windham, W.R. 2007. Evaluation of Hyperspectral Imaging and Predictive Modeling to Determine Fertility and Development of Broiler Hatching Eggs. Poultry Science Meeting, p. 86 (suppl 1): 385.
|
 |
Egg embryo development detection with hyperspectral imaging
-
(Peer Reviewed Journal)
|
Lawrence, K.C., Smith, D.P., Windham, W.R., Heitschmidt, G.W., Park, B., Yoon, S.C. 2007. Egg embryo development detection with hyperspectral imaging. International Journal of Poultry Science. 5(10): 964-969
|
 |
Improved hyperspectral imaging system for fecal detection on poultry carcasses
-
(Peer Reviewed Journal)
|
Heitschmidt, G.W., Park, B., Lawrence, K.C., Windham, W.R., Smith, D.P. 2007. Improved hyperspectral imaging system for fecal detection on poultry carcasses. Transactions of the ASABE. 50(4):1427-1432.
|
 |
Application of Imaging Technology to Chicken Carcasses and Hatching Eggs
-
(Proceedings)
|
Smith, D.P., Windham, W.R., Lawrence, K.C., Park, B., Heitschmidt, G.W. 2006. Application of Imaging Technology to Chicken Carcasses and Hatching Eggs. Poultry Waste Management Symposium Proceedings.
|
 |
Egg embryo development detection with hyperspectral imaging
-
(Proceedings)
|
Lawrence, K.C., Smith, D.P., Windham, W.R., Heitschmidt, G.W., Park, B. 2006. Egg embryo development detection with hyperspectral imaging. Proceedings of SPIE. 6381.
|
 |
Detection of hatching and table egg defects using hyperspectral imaging
-
(Proceedings)
|
Smith, D.P., Lawrence, K.C., Heitschmidt, G.W. 2006. Detection of hatching and table egg defects using hyperspectral imaging. European Poultry Conference Proceedings.
|
 |
PARTIAL LEAST SQUARES REGRESSION OF HYPERSPECTRAL IMAGES FOR CONTAMINATION DETECTION ON POULTRY CARCASSES
-
(Peer Reviewed Journal)
|
Lawrence, K.C., Windham, W.R., Park, B., Heitschmidt, G.W., Smith, D.P., Feldner, P.W. 2006. Partial least squares regression of hyperspectral images for contamination detection on poultry carcasses. Journal of Near Infrared Spectroscopy. 14:223-230
|
 |
Partial Least Squares Regression of Hyperspectral Images for Contaminant Detection on Poultry Carcasses
-
(Peer Reviewed Journal)
|
Lawrence, K.C., Windham, W.R., Park, B., Heitschmidt, G.W., Smith, D.P. 2006. Partial Least Squares Regression of Hyperspectral Images for Contaminant Detection on Poultry Carcasses. Near Infrared Spectroscopy Journal. 14(4):223-230.
|
 |
Multipurpose hyperspectral imaging system
()
|
Mao, C., Smith, D., Lanoue, M.A., Poole, G.H., Heitschmidt, G.W., Martinez, L., Windham, W.R., Lawrence, K.C., Park, B. 2005. Multipurpose hyperspectral imaging system. NASA Tech Briefs. 29(8):30-31 (Technical Article).
|
 |
LED lighting for use in multispectral and hyperspectral imaging
-
(Proceedings)
|
Lawrence, K.C., Park, B., Windham, W.R., Heitschmidt, G.W. 2005. LED lighting for use in multispectral and hyperspectral imaging. ASABE Annual International Meeting. Paper No. 053073.
|
 |
Fertility and embryo development of broiler hatching eggs evaluated with a hyperspectral imaging and predictive modeling system
-
(Peer Reviewed Journal)
|
Smith, D.P., Lawrence, K.C., Heitschmidt, G.W. 2008. Fertility and embryo development of broiler hatching eggs evaluated with a hyperspectral imaging and predictive modeling system. International Journal of Poultry Science. 7(10):1001-1004.
|
 |
|
ARS News Articles
|